diff options
| author | Sriram Dash <sriram.dash@nxp.com> | 2018-01-08 21:39:31 (GMT) |
|---|---|---|
| committer | Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> | 2018-01-11 03:35:45 (GMT) |
| commit | bea2fb58a6dd132991efff6c60be20ee539f8b77 (patch) | |
| tree | 626e61cf7a6d068cf2894c2c30930154e96227a6 | |
| parent | 0aa31c03a192e935852f20aa79732e99f60a8fb7 (diff) | |
| download | u-boot-bea2fb58a6dd132991efff6c60be20ee539f8b77.tar.xz | |
serial: lpuart: Proper device identification
Identify and distinguish between platform device type of MX7ULP
and LS1021A.
This is a fix to: 7edf5c45 serial: lpuart: add i.MX7ULP support
Signed-off-by: Sriram Dash <sriram.dash@nxp.com>
Acked-by: Peng Fan <peng.fan@nxp.com>
| -rw-r--r-- | drivers/serial/serial_lpuart.c | 18 |
1 files changed, 7 insertions, 11 deletions
diff --git a/drivers/serial/serial_lpuart.c b/drivers/serial/serial_lpuart.c index 382f8ba..536d30f 100644 --- a/drivers/serial/serial_lpuart.c +++ b/drivers/serial/serial_lpuart.c @@ -265,11 +265,9 @@ static int _lpuart32_serial_getc(struct lpuart_serial_platdata *plat) lpuart_read32(plat->flags, &base->data, &val); - if (plat->devtype & DEV_MX7ULP) { - lpuart_read32(plat->flags, &base->stat, &stat); - if (stat & STAT_OR) - lpuart_write32(plat->flags, &base->stat, STAT_OR); - } + lpuart_read32(plat->flags, &base->stat, &stat); + if (stat & STAT_OR) + lpuart_write32(plat->flags, &base->stat, STAT_OR); return val & 0x3ff; } @@ -280,10 +278,8 @@ static void _lpuart32_serial_putc(struct lpuart_serial_platdata *plat, struct lpuart_fsl_reg32 *base = plat->reg; u32 stat; - if (plat->devtype & DEV_MX7ULP) { - if (c == '\n') - serial_putc('\r'); - } + if (c == '\n') + serial_putc('\r'); while (true) { lpuart_read32(plat->flags, &base->stat, &stat); @@ -330,7 +326,7 @@ static int _lpuart32_serial_init(struct lpuart_serial_platdata *plat) lpuart_write32(plat->flags, &base->match, 0); - if (plat->devtype & DEV_MX7ULP) { + if (plat->devtype == DEV_MX7ULP) { _lpuart32_serial_setbrg_7ulp(plat, gd->baudrate); } else { /* provide data bits, parity, stop bit, etc */ @@ -347,7 +343,7 @@ static int lpuart_serial_setbrg(struct udevice *dev, int baudrate) struct lpuart_serial_platdata *plat = dev->platdata; if (is_lpuart32(dev)) { - if (plat->devtype & DEV_MX7ULP) + if (plat->devtype == DEV_MX7ULP) _lpuart32_serial_setbrg_7ulp(plat, baudrate); else _lpuart32_serial_setbrg(plat, baudrate); |